CN211035014U - Brake device of crane hoisting mechanism - Google Patents
Brake device of crane hoisting mechanism Download PDFInfo
- Publication number
- CN211035014U CN211035014U CN201922237363.8U CN201922237363U CN211035014U CN 211035014 U CN211035014 U CN 211035014U CN 201922237363 U CN201922237363 U CN 201922237363U CN 211035014 U CN211035014 U CN 211035014U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- brake
- box
- hydraulic cylinder
- main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a braking device of a crane hoisting mechanism, which comprises a winding drum and a supporting frame, wherein one end of the supporting frame is fixedly connected with a braking component, a rotating shaft at one end of the winding drum is in transmission connection with a reducer, a rotating shaft at the other end of the winding drum is in rotating connection with the braking component, a rotating shaft rotationally connected with the braking component is marked as a first rotating shaft, the periphery of the winding drum is fixedly connected with a friction ring, the brake assembly comprises a first box body and a plurality of hydraulic cylinders, the first box body is fixedly connected with the support frame, the first rotating shaft is rotatably connected to the first box body, the hydraulic cylinders are divided into a main hydraulic cylinder and a secondary hydraulic cylinder, the main hydraulic cylinder is fixedly connected to the inner wall of the first box body, a main brake piece is fixedly connected to a piston rod end of the main hydraulic cylinder, the main brake piece is matched with the friction ring, the secondary hydraulic cylinder is fixedly connected to the outer wall of the first box body, a secondary brake piece is fixedly connected to the piston rod end of the secondary hydraulic cylinder, and; the utility model is used for solve among the prior art unsatisfactory problem of hoisting mechanism braking effect.
Description
Technical Field
The utility model belongs to the technical field of crane braking equipment technique and specifically relates to a hoist hoisting mechanism's arresting gear.
Background
The lifting mechanism is one of the necessary structures of the crane and is a basic structure for lifting and operating objects, a lifting motor drives a winding drum to rotate through a speed reducer, so that a steel wire rope or a cable wound on the winding drum drives a lifting hook device to ascend or descend, a braking device is further arranged on the lifting mechanism in order to ensure the accurate ascending and descending position, most of the traditional braking devices only have one braking structure, the braking effect is not ideal, a certain amount of displacement is still generated after the lifted heavy object is braked due to insufficient braking force, the inaccurate ascending and descending position is caused, the lifting quality is reduced, and even an accident that the braking is not flexible can be caused.
Disclosure of Invention
The utility model aims at providing a hoist hoisting mechanism's arresting gear for hoisting mechanism braking effect unsatisfactory problem among the solution prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a braking device of a crane hoisting mechanism comprises a hoisting motor, a speed reducer, a winding drum and a support frame, wherein the hoisting motor and the speed reducer are fixedly connected to one end of the support frame, the other end of the support frame is fixedly connected with a braking assembly, a rotating shaft at one end of the winding drum is in transmission connection with the speed reducer, a rotating shaft at the other end of the winding drum is rotatably connected to the braking assembly, the rotating shaft rotatably connected with the braking assembly is marked as a first rotating shaft, a friction ring is fixedly connected to the periphery of one end, close to the braking assembly, of the winding drum, the braking assembly comprises a first box body and a plurality of hydraulic cylinders, the first box body is fixedly connected with the; the hydraulic cylinder is divided into a main hydraulic cylinder and a secondary hydraulic cylinder, the main hydraulic cylinder is fixedly connected to the inner wall of the first box body, a piston rod of the main hydraulic cylinder penetrates through the side wall of the first box body, a main brake disc is fixedly connected to the piston rod end of the main hydraulic cylinder, the main brake disc is arc-shaped, when the equipment brakes, the main brake disc is attached to the friction ring, and when the equipment normally works, the main brake disc and the friction ring are arranged at intervals; inferior pneumatic cylinder fixed connection is at first box outer wall, and the piston rod of inferior pneumatic cylinder passes the lateral wall of first box, and the piston rod end fixedly connected with inferior braking piece of inferior pneumatic cylinder, inferior braking piece are circular-arc, and when equipment braking, inferior braking piece and first pivot laminating, when equipment normal operating, inferior braking piece and first pivot interval set up.
Optionally, the first box is of a cylindrical structure, the number of the main hydraulic cylinders and the number of the secondary hydraulic cylinders are four, the main hydraulic cylinders are evenly arranged on the inner periphery of the first box, and the secondary hydraulic cylinders are evenly arranged on the outer periphery of the first box.
Optionally, an extension spring is fixedly connected between the primary brake piece and the first box, and an extension spring is also fixedly connected between the secondary brake piece and the first box.
Optionally, the brake assembly further includes a second box and an auxiliary hydraulic cylinder, the second box is fixedly connected between the first box and the support frame, the first rotating shaft penetrates through the first box and extends into the second box, the end portion of the first rotating shaft is located in the second box and is fixedly connected with a friction disc, the auxiliary hydraulic cylinder is fixedly connected to the outer side of the support frame, a piston rod end of the auxiliary hydraulic cylinder penetrates through the support frame and extends into the second box, a brake disc is connected to the piston rod end of the auxiliary hydraulic cylinder, when the device brakes, the brake disc is attached to the friction disc, when the device normally works, the brake disc and the friction disc are arranged at an interval, and an extension spring is also fixedly connected between the.
Optionally, the working surfaces of the primary brake pad and the secondary brake pad are provided with a rubber wear layer.
Optionally, the working surface of the brake disc is provided with a wear resistant layer of rubber.
The utility model discloses a hoist hoisting mechanism's arresting gear has following advantage:
(1) the three braking structures can ensure the timeliness and the accuracy of braking, and the lifted articles can not generate a certain amount of displacement after braking.
(2) The three braking structures are all of normally closed structures, namely when the lifting mechanism is not needed to act, the main braking piece is attached to the friction ring, the secondary braking piece is attached to the first rotating shaft, the braking disc is attached to the friction disc, and the safety of equipment is guaranteed.
(3) The extension spring can separate the braking device from the rotating device in time when the hydraulic pump reduces the oil pressure, so that the normal action of the lifting mechanism is ensured.
(4) The rubber wear-resistant layer can prolong the service life of the brake pad or the brake disc.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a master brake pad and a friction ring.
Fig. 3 is a schematic structural view of the secondary brake pad and the first rotating shaft.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-3, a brake device of a crane hoisting mechanism comprises a hoisting motor 1, a speed reducer 2, a reel 3, a support frame 4, a hydraulic pump and a controller, wherein the hoisting motor 1 is in transmission connection with the reel 3 through the speed reducer 2, the hoisting motor 1 and the speed reducer 2 are both fixedly connected with the left end of the support frame 4, the left side of the right end of the support frame 4 is fixedly connected with a second box body 6, the left end of the second box body 6 is fixedly connected with a first box body 5 with a cylindrical structure, a rotating shaft at the left end of the reel 3 is in transmission connection with the speed reducer 2, a rotating shaft at the right end of the reel 3 is marked as a first rotating shaft 7, the periphery of the right end of the reel 3 is fixedly connected with a friction ring 11, the first rotating shaft 7 penetrates through the first box body 5 and extends into the second box body 6, the first rotating shaft 7 is rotatably connected with the first, the right side fixedly connected with auxiliary hydraulic cylinder 13 of 4 right-hand members of support frame, auxiliary hydraulic cylinder 13's tailpiece of the piston rod passes support frame 4 and extends to in the second box 6, auxiliary hydraulic cylinder 13's piston rod end fixedly connected with brake disc 14, brake disc 14's working face is provided with rubber wearing layer 15, rubber wearing layer 15 can prolong brake disc 14's life, when equipment braking, brake disc 14 and friction disk 17 laminating, utilize frictional force between the two to brake, when equipment normal operating, brake disc 14 and friction disk 17 interval set up, fixedly connected with extension spring 16 between brake disc 14 and the support frame 4, extension spring 16 can be when the hydraulic pump reduces the oil pressure, in time separate brake disc 14 and friction disk 17, ensure hoisting mechanism's normal action.
The inner wall of the first box body 5 is uniformly and fixedly connected with four main hydraulic cylinders 8, the four main hydraulic cylinders 8 are arranged in the same circumferential plane, piston rods of the main hydraulic cylinders 8 penetrate through the side wall of the first box body 5, the piston rod ends of the main hydraulic cylinders 8 are fixedly connected with a main brake disc 9, the working surface of the main brake disc 9 is also provided with a rubber wear-resistant layer 15, the rubber wear-resistant layer 15 can prolong the service life of the main brake disc 9, the main brake disc 9 is arc-shaped, when the equipment is braked, the main brake disc 9 is attached to the friction ring 11, the friction force between the main brake disc and the friction ring is utilized to brake, when the equipment normally works, the main brake piece 9 and the friction ring 11 are arranged at intervals, an extension spring 16 is fixedly connected between the main brake piece 9 and the first box body 5, and the extension spring 16 can separate the main brake piece 9 from the friction ring 11 in time when the hydraulic pump reduces the oil pressure, so that the normal action of the lifting mechanism is ensured; four secondary hydraulic cylinders 10 are uniformly and fixedly connected to the periphery of the first box body 5, the four secondary hydraulic cylinders 10 are arranged in the same circumferential plane, piston rods of the secondary hydraulic cylinders 10 penetrate through the side wall of the first box body 5, secondary brake pieces 12 are fixedly connected to the piston rods of the secondary hydraulic cylinders 10, rubber wear-resistant layers 15 are arranged on the working surfaces of the secondary brake pieces 12, the rubber wear-resistant layers 15 can prolong the service lives of the secondary brake pieces 12, the secondary brake pieces 12 are arc-shaped, when the device is braked, the secondary brake disc 12 is attached to the first rotating shaft 7, and braking is performed by using the friction force between the secondary brake disc and the first rotating shaft, when the equipment normally works, the secondary brake disc 12 and the first rotating shaft 7 are arranged at intervals, the extension spring 16 is fixedly connected between the secondary brake disc 12 and the first box body 5, and the extension spring 16 can timely separate the secondary brake disc 12 from the first rotating shaft 7 when the hydraulic pump reduces the oil pressure, so that the normal action of the hoisting mechanism is ensured; each hydraulic cylinder all with hydraulic pump connection, lifting motor 1 and hydraulic pump all with the controller electricity be connected, hydraulic pump and controller are present mature technique, the utility model discloses in no longer carry out detailed description to it, the controller in this example can adopt MAM-KY02S, MAM-7810, MAM-880 etc. the hydraulic pump can adopt HVP-SF-40D.
The working process of the utility model is as follows: the three braking structures are all in a normally closed structure, when the hoisting structure does not operate, the controller controls the hydraulic pump to increase oil pressure, so that the main braking piece 9 is attached to the friction ring 11, the secondary braking piece 10 is attached to the first rotating shaft 7, and the braking disc 14 is attached to the friction disc 17, at the moment, the winding drum 3 cannot rotate, and the safety of equipment is guaranteed; when the hoisting mechanism acts, the controller controls the hydraulic pump to reduce oil pressure, the extension spring 16 can separate the main brake pad 9 from the friction ring 11, the secondary brake pad 10 from the first rotating shaft 7 and the brake disc 14 from the friction disc 17, so that the normal action of the hoisting mechanism is ensured, when braking is required, the main brake pad 9 is attached to the friction ring 11, the secondary brake pad 10 is attached to the first rotating shaft 7 and the brake disc 14 is attached to the friction disc 17, and the three-position braking structure can ensure the timely, accurate and effective braking effect of the hoisting mechanism.
The above-described embodiments are only some embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Claims (6)
1. The utility model provides a hoist hoisting mechanism's arresting gear, includes to rise motor, reduction gear and reel, its characterized in that: the brake device comprises a support frame, a lifting motor and a speed reducer, wherein the lifting motor and the speed reducer are fixedly connected to one end of the support frame, the other end of the support frame is fixedly connected with a brake assembly, a rotating shaft at one end of a winding drum is in transmission connection with the speed reducer, the rotating shaft at the other end of the winding drum is in rotating connection with the brake assembly, the rotating shaft in rotating connection with the brake assembly is marked as a first rotating shaft, a friction ring is fixedly connected to the periphery of one end, close to the brake assembly, of the winding drum, the brake assembly comprises a first box body and a plurality of hydraulic cylinders, the; the hydraulic cylinder is divided into a main hydraulic cylinder and a secondary hydraulic cylinder, the main hydraulic cylinder is fixedly connected to the inner wall of the first box body, a piston rod of the main hydraulic cylinder penetrates through the side wall of the first box body, a main brake disc is fixedly connected to the piston rod end of the main hydraulic cylinder, the main brake disc is arc-shaped, when the equipment brakes, the main brake disc is attached to the friction ring, and when the equipment normally works, the main brake disc and the friction ring are arranged at intervals; inferior pneumatic cylinder fixed connection is at first box outer wall, and the piston rod of inferior pneumatic cylinder passes the lateral wall of first box, and the piston rod end fixedly connected with inferior braking piece of inferior pneumatic cylinder, inferior braking piece are circular-arc, and when equipment braking, inferior braking piece and first pivot laminating, when equipment normal operating, inferior braking piece and first pivot interval set up.
2. A brake arrangement for a crane hoist as claimed in claim 1, wherein: the first box is of a cylindrical structure, the main hydraulic cylinders and the secondary hydraulic cylinders are four in number, the main hydraulic cylinders are evenly arranged on the inner periphery of the first box, and the secondary hydraulic cylinders are evenly arranged on the outer periphery of the first box.
3. A brake arrangement for a crane hoist as claimed in claim 1, wherein: an extension spring is fixedly connected between the main brake piece and the first box body, and an extension spring is also fixedly connected between the secondary brake piece and the first box body.
4. A brake arrangement for a crane hoist as claimed in claim 1, wherein: brake assembly still includes second box and auxiliary hydraulic cylinder, second box fixed connection between first box and support frame, first pivot runs through first box and extends to in the second box, the tip of first pivot is located the second box and fixedly connected with friction disc, auxiliary hydraulic cylinder fixed connection is in the support frame outside, auxiliary hydraulic cylinder's tailpiece of the piston rod passes the support frame and extends to in the second box, auxiliary hydraulic cylinder's tailpiece of the piston rod is connected with the brake disc, when equipment braking, brake disc and friction disc laminating, when equipment normal operating, the brake disc sets up with the friction disc interval, also fixedly connected with extension spring between brake disc and the support frame.
5. A brake arrangement for a crane hoist as claimed in claim 1, wherein: and the working surfaces of the main brake pad and the secondary brake pad are provided with rubber wear-resistant layers.
6. A braking device for a crane hoist as claimed in claim 4, characterized in that: the working surface of the brake disc is provided with a rubber wear-resistant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237363.8U CN211035014U (en) | 2019-12-13 | 2019-12-13 | Brake device of crane hoisting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237363.8U CN211035014U (en) | 2019-12-13 | 2019-12-13 | Brake device of crane hoisting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211035014U true CN211035014U (en) | 2020-07-17 |
Family
ID=71539282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922237363.8U Active CN211035014U (en) | 2019-12-13 | 2019-12-13 | Brake device of crane hoisting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211035014U (en) |
-
2019
- 2019-12-13 CN CN201922237363.8U patent/CN211035014U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202022696U (en) | Double-set value constant-moment secondary braking control system of mine hoist | |
| CN211035014U (en) | Brake device of crane hoisting mechanism | |
| CN212222083U (en) | Anti-skid braking device for steel wire rope of friction hoist | |
| CN110775848B (en) | Winch and dynamic compactor | |
| CN206645745U (en) | A kind of drilling drawworks controller | |
| CN106672218A (en) | Carbon/ceramic brake device for airplane | |
| CN207511739U (en) | A kind of Dual-speed multi-purpose lift winch of disk type gate braking | |
| CN204125069U (en) | Safety of tower crane protects jacking system automatically | |
| CN205687368U (en) | A kind of traction system of screw type elevator | |
| CN201817225U (en) | Winch barrel-limiting and braking mechanism | |
| CN110835063A (en) | Novel electric hoist device | |
| CN205397964U (en) | Electric block convenient to realize safety braking at end | |
| CN208166445U (en) | A kind of novel hoister | |
| CN210393538U (en) | Reel device for crane | |
| CN108928715B (en) | Rope adjusting clutch driving device for hoister | |
| CN203319624U (en) | Clutch brake device and winding engine including same | |
| CN208218303U (en) | The reel brake device of releasing hoister mechanism is quickly descended for empty hook | |
| CN112429665A (en) | Winch with positioning structure for vehicle-mounted hoisting | |
| CN206666005U (en) | Mine hoisting anti-falling buffer device | |
| CN200958021Y (en) | Electric hoist with safety brake | |
| CN211920749U (en) | Winch braking device for crawler-type dynamic compaction machine | |
| CN206427960U (en) | The cable wire protection system of winch hoist | |
| CN209974195U (en) | Mine hoist brake mechanism | |
| CN214611283U (en) | Double-beam bridge crane braking device | |
| CN114408714B (en) | Rope replacement device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |